This standard describes a method for determining the number of tufts and/or loops per unit area and per unit length of a carpet, and is applicable to carpets having a pile made up of tufts and /or evenly spaced loops.
NBN G 58-001-1973 history
1973NBN G 58-001-1973 Textile. Number of tufts or loops per unit surface and unit length of woven cut pile carpet